53294161536 has 576 divisors, whose sum is σ = 194332407360. Its totient is φ = 13722255360.

The previous prime is 53294161523. The next prime is 53294161537. The reversal of 53294161536 is 63516149235.

53294161536 is a `hidden beast` number, since 5 + 3 + 29 + 4 + 1 + 615 + 3 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a junction number, because it is equal to n+sod(n) for n = 53294161491 and 53294161500.

It is not an unprimeable number, because it can be changed into a prime (53294161537) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 188318451 + ... + 188318733.

Almost surely, 2^53294161536 is an apocalyptic number.

53294161536 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53294161536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97166203680).

53294161536 is an abundant number, since it is smaller than the sum of its proper divisors (141038245824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53294161536 is a wasteful number, since it uses less digits than its factorization.

53294161536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525 (or 499 counting only the distinct ones).

The product of its digits is 583200, while the sum is 45.

The spelling of 53294161536 in words is "fifty-three billion, two hundred ninety-four million, one hundred sixty-one thousand, five hundred thirty-six".